Laser Crystal for Dummies
Laser Crystal for Dummies
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These tables have only the most typical host crystals; numerous Some others exist, which can be fewer regularly utilised.
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。
Which geometry, dopant and doping concentration from the acquire medium are most useful depend on several factors. The available pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are crucial components, but the material alone also has some affect. As an example, titanium–sapphire lasers have to be pumped with significant intensities, for which the form of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is more correct than e.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
A significant area quality is needless to say significant. Technical specs of area flatness will often be better than . This assists in order to avoid equally scattering losses and wavefront distortions which often can degrade the laser's beam high-quality. On top of that, scratch and dig technical specs
The most attainable doping focus can depend strongly over the host content and its fabrication method.
Laser modeling and simulation may be used to reliably figure out the the best possible crystal dimensions, doping density And maybe values of extra parameters.
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For quasi-a few-degree laser gain media or simply 3-level get media, a single often should Restrict the size to a worth that is much too quick for economical pump absorption, as reabsorption effects would usually spoil the overall performance. For aspect pumping, supplemental concerns occur into play; In addition to successful pump absorption, it's important to obtain a suitable spatial shape in the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical overall performance rare earth ions transition group ions
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It could be oriented for in the vicinity of perpendicular incidence from the laser beam, or at Brewster's angle. It could be fastened in certain strong mount which also acts being a warmth sink. Larger sized crystals are often utilized for side pumping e.g. with higher-electrical power diode bars.
激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。